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Fencer Vulns
high 7.5

CVE-2023-52428 json

Denial of Service in Connect2id Nimbus JOSE+JWT

published 2024-02-11 2 y ago modified 2026-09-10 1 mo ago also GHSA-gvpg-vgmx-xg6w , EUVD-2024-0644

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

In Connect2id Nimbus JOSE+JWT before 9.37.2, an attacker can cause a denial of service (resource consumption) via a large JWE p2c header value (aka iteration count) for the PasswordBasedDecrypter (PBKDF2) component.

Patch / fix

  • maven com.nimbusds:nimbus-jose-jwt 9.37.2
  • connect2id nimbus_jose+jwt 9.37.2
  • eap8-hppc jboss enterprise application platform 8.0 0.8.1-2.redhat_00001.1.el8eap
  • eap8-log4j jboss enterprise application platform 8.0 2.22.1-1.redhat_00002.1.el8eap
  • eap8-slf4j jboss enterprise application platform 8.0 2.0.16-1.redhat_00001.1.el8eap
  • eap8-jctools jboss enterprise application platform 8.0 4.0.2-1.redhat_00001.1.el8eap
  • eap8-jgroups jboss enterprise application platform 8.0 5.3.10-1.Final_redhat_00001.1.el8eap
  • eap8-wildfly jboss enterprise application platform 8.0 8.0.4-2.GA_redhat_00005.1.el8eap
  • eap8-narayana jboss enterprise application platform 8.0 6.0.3-1.Final_redhat_00001.1.el8eap
  • eap8-asyncutil jboss enterprise application platform 8.0 0.1.0-2.redhat_00010.1.el8eap

red hat advisories RHSA-2024:8823RHSA-2024:8824

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-52428 updated cvss 7.5

nimbus-jose-jwt: large JWE p2c header value causes Denial of Service

  • Red Hat Logging Subsystem for Red Hat OpenShift nimbus-jose-jwt Red Hat AMQ Broker 7 nimbus-jose-jwt
    affected: no fix planned “Will not fix”
  • Red Hat build of Apache Camel - HawtIO 4 nimbus-jose-jwt Red Hat build of Apache Camel for Spring Boot 3 nimbus-jose-jwt
    affected: no fix available
  • Red Hat Fuse 7 nimbus-jose-jwt Red Hat JBoss Data Grid 7 nimbus-jose-jwt Red Hat JBoss Enterprise Application Platform Expansion Pack nimbus-jose-jwt Red Hat streams for Apache Kafka nimbus-jose-jwt
    affected: no fix planned “Will not fix”
  • Red Hat build of Apache Camel 3.20.7 for Spring Boot
    fixed: vendor fix RHSA-2024:6883
  • Red Hat build of Apache Camel 4.4.3 for Spring Boot
    fixed: vendor fix RHSA-2024:8064
  • Red Hat JBoss EAP 8.0 for RHEL 8 eap8-hppc 0.8.1-2.redhat_00001.1.el8eap, eap8-log4j 2.22.1-1.redhat_00002.1.el8eap, eap8-slf4j 2.0.16-1.redhat_00001.1.el8eap, eap8-jctools 4.0.2-1.redhat_00001.1.el8eap, eap8-asyncutil 0.1.0-2.redhat_00010.1.el8eap, eap8-saaj-impl 3.0.4-1.redhat_00001.1.el8eap, +74 more
    fixed: vendor fix RHSA-2024:8823
  • Red Hat JBoss EAP 8.0 for RHEL 9 eap8-hppc 0.8.1-2.redhat_00001.1.el9eap, eap8-log4j 2.22.1-1.redhat_00002.1.el9eap, eap8-slf4j 2.0.16-1.redhat_00001.1.el9eap, eap8-jctools 4.0.2-1.redhat_00001.1.el9eap, eap8-asyncutil 0.1.0-2.redhat_00010.1.el9eap, eap8-saaj-impl 3.0.4-1.redhat_00001.1.el9eap, +74 more
    fixed: vendor fix RHSA-2024:8824
  • Red Hat JBoss Enterprise Application Platform 8
    fixed: vendor fix RHSA-2024:8826
show 3 more
  • Red Hat Streams for Apache Kafka 2.9.0
    fixed: vendor fix RHSA-2025:2416
  • Red Hat Cryostat 3 nimbus-jose-jwt Red Hat build of Apache Camel 4 for Quarkus 3 nimbus-jose-jwt Red Hat build of Apicurio Registry 2 com.nimbusds/nimbus-jose-jwt com.nimbusds/nimbus-jose-jwt Red Hat Build of Keycloak nimbus-jose-jwt Red Hat build of Quarkus nimbus-jose-jwt Red Hat Integration Camel K 1 nimbus-jose-jwt
    not affected: vulnerable code not present
  • Red Hat JBoss Enterprise Application Platform 7 nimbus-jose-jwt
    not affected: component not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven com.nimbusds:nimbus-jose-jwt
<9.37.2
9.37.2

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.